Reportedly, Parker tried on some different hat shapes and "found the one she loved," said Farnell-Watson. Treacy then worked for two days straight and "very late into the night" trimming it with peacock feathers. Naturally.

Farnell-Watson admits that it was "quite brave" of Parker to don the accessory, adding that "the hat is such a quintessentially English idea, but it was done in such a Carrie Bradshaw way."